# Speaker Box Lite vs DSP 1.8 RC

The clearest difference is review sentiment: Speaker Box Lite at 62% against DSP 1.8 RC's 0%. Speaker Box Lite also leads on rating (4.1 vs 1.0) and update cadence (every 11 days vs every 39 months). DSP 1.8 RC's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Speaker Box Lite sells 3 in-app purchases, starting at $4.49 per 7 days. DSP 1.8 RC asks for nothing beyond the download.

Speaker Box Lite holds the better App Store score, 4.1 against 1.0. That said, the two scores are not equally well evidenced: Speaker Box Lite has 339 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 62% of Speaker Box Lite's written reviews are positive against 0% of DSP 1.8 RC's.

Speaker Box Lite ships an update every 11 days, DSP 1.8 RC every 39 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Speaker Box Lite | DSP 1.8 RC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (339 ratings)](https://appshunter.io/ios/app/speaker-box-lite/id898625526/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/dsp-18-rc/id1284821199/reviews) |
| Number of ratings | **339** | 1 |
| Positive reviews | **61.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 39 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 166 MB | 27 MB |
| Requires iOS | 15.1 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Abdulin](https://appshunter.io/developer/893545070) | [Rainbow Audio GmbH](https://appshunter.io/developer/1284821198) |

## What reviewers say

### Speaker Box Lite

[App page](https://appshunter.io/ios/app/speaker-box-lite/id898625526)

Calculate subwoofer box volumes and design acoustic systems with detailed charts and parameter generation. Supports various enclosure types and includes a shared online speaker database. Offers cloud project saving and PRO features via subscription.

**Highlights:** Subwoofer box volume calculation, Support for multiple enclosure types, Amplitude, phase, and SPL charts, Parameter generation for vented boxes, Port and displacement volume calculation, Cloud project saving, Shared online speaker database

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week PRO | $4.49 | per 7 days |
| Month plan | $7.99 | per month |
| PRO Account | $8.99 | per month |

**What reviewers like**

- 📊 Comprehensive graphing and visualization tools
- 💾 Extensive speaker driver database with TS parameters
- 📐 Accurate enclosure calculations for sealed and ported boxes
- ✂️ Automatic cut list generation for DIY building
- 💡 Intuitive interface for beginners and experts

**What reviewers complain about**

- 💰 Expensive subscription model ($5-7/month or 400 rubles)
- 🚫 Limited free version functionality
- 🐛 Frequent crashes and stability issues
- ❌ Inconsistent calculation accuracy
- 🔐 Billing/subscription verification problems

**Reported bugs**

- App crashes when adjusting VB/FB parameters
- Crashes on certain parameter combinations requiring reinstall
- Drawing/3D model generation hangs indefinitely
- Subscription payment charged multiple times
- Pro version access denied despite active payment

**Requested features**

- One-time purchase option instead of subscription
- Portuguese language support (PT-BR)
- Air velocity graphs
- Complete 3D model generation with final drawings
- Bandpass 4th order enclosure support


### DSP 1.8 RC

[App page](https://appshunter.io/ios/app/dsp-18-rc/id1284821199)

Control your audio system remotely via WiFi. Stream audio directly to your device. Requires a specific WiFi module accessory.

**Highlights:** Remote control via WiFi, Audio streaming over WiFi, Basic function control, Requires WiFi module accessory

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Speaker Box Lite free?

Speaker Box Lite is free to download, with in-app purchases available.

### Is DSP 1.8 RC free?

DSP 1.8 RC is free to download, with no in-app purchases.

### Which has better reviews, Speaker Box Lite or DSP 1.8 RC?

Speaker Box Lite is rated higher. Speaker Box Lite averages 4.1 out of 5 from 339 ratings, while DSP 1.8 RC averages 1.0 from 1 ratings.

### Do Speaker Box Lite or DSP 1.8 RC have ads?

Speaker Box Lite shows ads; DSP 1.8 RC does not.

### Which is updated more often, Speaker Box Lite or DSP 1.8 RC?

Speaker Box Lite ships an update every 11 days, and DSP 1.8 RC every 39 months. Most recently, Speaker Box Lite was updated on October 24, 2026 and DSP 1.8 RC on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*